Rud is in love with Valai but is afraid to tell her. He has bought an old ancient ring intending to give it to Valai as a birthday gift but he never gets the opportunity to give it to her, so he wears it on his finger but is unable to take it off. The next morning, a miracle happens to him when he wakes up and finds himself turned into a pretty woman, but when the night falls he turned back to himself again. During the day when he is a woman, he goes by the name of Nongnuj. Nongnuj doesn’t know he’s dealing with Vilai and they becomes close and often go places together. This makes Rud in the body of Nongnuj realize that Valai is also fond of him, so he has to find a way to be himself again.